리눅스 Logrotate 개념과 설정

rpm -qa | grep logrotate
logrotate-3.18.0-7.el9.x86_64
rsyslog-logrotate-8.2102.0-105.el9.x86_64

yum -y install logrotate
dnf -y install logrotate

# see "man logrotate" for details

# global options do not affect preceding include directives

# rotate log files weekly
weekly

# keep 4 weeks worth of backlogs
rotate 4

# create new (empty) log files after rotating old ones
create

# use date as a suffix of the rotated file
dateext

# uncomment this if you want your log files compressed
#compress

# packages drop log rotation information into this directory
include /etc/logrotate.d

# system-specific logs may be also be configured here.

# 기본 명령어
logrotate -옵션 [파일명]
# 명령어 위치
/usr/sbin/logrotate
# 리눅스 logrotate 디버깅 실행 : logrotate -d
logrotate -d /etc/logrotate.d/httpd 
WARNING: logrotate in debug mode does nothing except printing debug messages!  Consider using verbose mode (-v) instead if this is not what you want.

reading config file /etc/logrotate.d/httpd
Reading state from file: /var/lib/logrotate/logrotate.status
error: error opening state file /var/lib/logrotate/logrotate.status: No such file or directory
Allocating hash table for state file, size 64 entries

Handling 1 logs

rotating pattern: /var/log/httpd/*log  1048576 bytes (no old logs will be kept)
empty log files are not rotated, old logs are removed
considering log /var/log/httpd/access_log
Creating new state
  Now: 2024-01-13 17:28
  Last rotated at 2024-01-13 17:00
  log does not need rotating (log size is below the 'size' threshold)
considering log /var/log/httpd/error_log
Creating new state
  Now: 2024-01-13 17:28
  Last rotated at 2024-01-13 17:00
  log does not need rotating (log size is below the 'size' threshold)
not running postrotate script, since no logs were rotated

logrotate -v /etc/logrotate.d/httpd 

reading config file /etc/logrotate.d/httpd
Reading state from file: /var/lib/logrotate/logrotate.status
Allocating hash table for state file, size 64 entries
Creating new state
Creating new state

Handling 1 logs

rotating pattern: /var/log/httpd/*log  1048576 bytes (no old logs will be kept)
empty log files are not rotated, old logs are removed
considering log /var/log/httpd/access_log
  Now: 2024-01-13 17:31
  Last rotated at 2024-01-13 17:30
  log does not need rotating (log size is below the 'size' threshold)
considering log /var/log/httpd/error_log
  Now: 2024-01-13 17:31
  Last rotated at 2024-01-13 17:30
  log does not need rotating (log size is below the 'size' threshold)
not running postrotate script, since no logs were rotated
set default create context to unconfined_u:object_r:logrotate_var_lib_t:s0